Wolfram Research
Wolfram Science World: Life of Sir Isaac Newton
This site from ScienceWorld provides an interesting biographical sketch of the English physicist and mathematician, Isaac Newton. The biography is a good size in length and very informative, with links provided throughout for additional...
University of St. Andrews (UK)
University of St. Andrews: Mathematics Archive: John Wallis
This page provides an excellent biography of John Wallis, an English clergyman, mathematician, and philosopher. Discusses his childhood, education, travel, studies, and his contributions to the fields of philosophy, language, and...
Math2
Math2.org: Expansions for Pi
A listing of some of the more famous formulas developed and used throughout the centuries for defining pi are given and explained.
Central Intelligence Agency
Cia: World Factbook: Wallis and Futuna
This site from the CIA World Factbook provides information about the economy, government and location of these two islands. What's there is quite good, but about half the categories are "not available".